Home / 60,045.24-89,969.18-20,580.80

Finding the Fourth Proportional to 60,045.24, 89,969.18 and 20,580.80

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Solution

The fourth proportional to 60,045.24, 89,969.18 and 20,580.80 is: 30,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,045.24 : 89,969.18 = 20,580.80 : x
  2. Step 2: Convert to fraction form
    60,045.24/89,969.18 = 20,580.80/x
  3. Step 3: Cross multiply
    60,045.24x = 89,969.18 × 20,580.80
  4. Step 4: Simplify right side
    60,045.24x = 1,851,637,699.74
  5. Step 5: Solve for x
    x = 1,851,637,699.74/60,045.24
  6. Step 6: Final answer
    x = 30,837.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.